CN107091167A - A kind of active sealing device for friction force measurement system between piston ring and cylinder - Google Patents
A kind of active sealing device for friction force measurement system between piston ring and cylinder Download PDFInfo
- Publication number
- CN107091167A CN107091167A CN201710477946.0A CN201710477946A CN107091167A CN 107091167 A CN107091167 A CN 107091167A CN 201710477946 A CN201710477946 A CN 201710477946A CN 107091167 A CN107091167 A CN 107091167A
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- Prior art keywords
- cylinder
- pressure
- pressure sensor
- annular seal
- seal space
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
- F02F11/005—Arrangements of sealings in combustion engines involving cylinder liners
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Testing Of Engines (AREA)
Abstract
The invention belongs to the testing field of internal combustion engine, specifically related to a kind of active sealing device for friction force measurement system between piston ring and cylinder, including cylinder cap, floating cylinder sleeve, piston, cylinder body, high-pressure conduit, air valve, pressure pan, air compressor, pressure sensor, in-cylinder pressure sensor, pressure testing and controlling device and annular seal space composition.The pressure value that pressure testing and controlling device is measured by comparative analysis pressure sensor and in-cylinder pressure sensor, active control air valve so that the pressure in annular seal space reaches synchronous equivalence with combustion chamber in-cylinder pressure, realize the realizing active sealing of floating cylinder sleeve.It is mounted with that force snesor is used for carrying out the friction measurement between piston ring and cylinder between floating cylinder sleeve and cylinder body.The present invention realizes the realizing active sealing of cylinder sleeve, prevents gas in the jar from leaking, it is ensured that piston-cylinder frictional force is measured under internal combustion engine nonknocking condition.
Description
Technical field
The invention belongs to the testing field of internal combustion engine, and in particular to one kind is used for friction measurement system between piston ring-cylinder liner
The active sealing device of system.
Background technology
Currently, petroleum resources are more and more shorter, and corresponding fuel economy regulation is increasingly strict.Combustion for how to reduce internal combustion engine
Oil consumption, it has also become an important job.Friction loss by reducing internal combustion engine is that a kind of conventional combustion engine energy-saving changes
Enter technology.In general, the 40%~50% of internal combustion engine friction loss is consumed by piston ring-cylinder liner friction pair.In order to survey
Friction, lubrication situation between amount analysis piston-cylinder liner component, researcher has carried out a large amount of trials, to develop measurable internal combustion
The testing equipment of the frictional force situation of machine actual operating mode lower piston-cylinder sleeve component.In setting for this kind of friction force measurement system
In meter, often friction measurement is carried out using floating cylinder sleeve method, therefore, to assure that connect all the time in non-between cylinder sleeve and internal combustion engine cylinders
The state of touching, and this will certainly destroy the sealing of cylinder.Internal combustion engine, especially compression ignition engine, the sealing to cylinder will
Ask especially high.Cylinder seal deficiency may cause internal combustion engine can not normal combustion, cause the mistake of friction measurement between piston-cylinder liner
Very.But, so far, the sealing problem of floating cylinder sleeve all fails effectively to be solved always.
The content of the invention
It is an object of the invention to provide a kind of active sealing device for friction force measurement system between piston ring-cylinder liner,
Compressed and the sealing problem in expansion stroke in internal combustion engine with solving floating cylinder sleeve.
To solve above-mentioned technical problem, present invention uses following technical scheme：One kind be used for measure piston ring-
The floating cylinder sleeve active sealing device of frictional force between cylinder sleeve, including cylinder cap, floating cylinder sleeve, piston and cylinder body, in addition to high pressure are led
Pipe, air valve, pressure pan, air compressor, pressure sensor, IC engine cylinder pressure sensor, add in the cylinder body of cylinder cap
Work annular seal space, installs force snesor to carry out the friction measurement between piston ring-cylinder liner between floating cylinder sleeve and cylinder body, high
Pressure tube at one end is connected with annular seal space, and the other end is connected with air valve；Air valve is arranged on pressure pan, pressure pan and air compressor
It is connected, air compressor provides pressure for pressure pan, and pressure sensor one end is connected with annular seal space, measures the pressure of annular seal space,
The other end is connected with controller, and IC engine cylinder pressure sensor one end is connected with combustion chamber, measures the pressure of combustion chamber, another
End is connected with controller, and controller is connected with air valve, pressure of the controller to pressure sensor and IC engine cylinder pressure sensor
Force value is contrasted, active control air valve so that annular seal space reaches synchronous equivalent with in-cylinder pressure value, and then realizes floating cylinder sleeve
Realizing active sealing.
The present invention machined an annular seal space on internal combustion engine cylinders, by actively applying synchronous with combustion chamber to annular seal space
Equivalent gases at high pressure, make combustion chamber reach sealing effectiveness.The present invention realizes the realizing active sealing of cylinder sleeve, prevents gas in the jar from letting out
Leakage, it is ensured that measured under internal combustion engine nonknocking condition to piston-cylinder liner frictional force.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure：1- cylinder caps；2- floating cylinder sleeves；3- pistons；4- cylinder bodies；5- high-pressure conduits；6- air valves；7- pressure pans；8- is empty
Air compressor；9- pressure sensors；10- in-cylinder pressure sensors；11- controllers；12- annular seal spaces；13- combustion chambers；14- power is passed
Sensor.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described further.
A kind of active sealing device for friction force measurement system between piston ring-cylinder liner, including cylinder cap 1, floating cylinder sleeve
2nd, piston 3 and cylinder body 4, in addition to high-pressure conduit 5, air valve 6, pressure pan 7, air compressor 8, pressure sensor 9, IC engine cylinder
Pressure sensor 10, machined annular seal space 12, the installing force between floating cylinder sleeve 2 and cylinder body 4 in the cylinder body 4 of cylinder cap 1
Sensor 14 carries out the friction measurement between piston ring-cylinder liner, and the one end of high-pressure conduit 5 is connected with annular seal space 12, the other end with
Air valve 6 is connected；Air valve 6 is arranged on pressure pan 7, and pressure pan 7 is connected with air compressor 8, and air compressor 8 is pressure pan 7
Pressure is provided, pressure sensor 9 is arranged on cylinder body 4 and one end is connected with annular seal space 12, measure the pressure of annular seal space 12, it is another
End is connected with controller 11, and IC engine cylinder pressure sensor 10 is arranged on cylinder cap 1 and one end is connected with combustion chamber 13, measures
The pressure of combustion chamber 13, the other end is connected with controller 11, and controller 11 is connected with air valve 6, and controller 11 is to pressure sensor 9
Contrasted with the pressure value of IC engine cylinder pressure sensor 10, active control air valve 6 so that annular seal space 12 and in-cylinder pressure
Value reaches that synchronization is equivalent, realize the realizing active sealing of floating cylinder sleeve.
A kind of above-mentioned active sealing device for friction force measurement system between piston ring-cylinder liner, force snesor 14 1
End is connected by contiguous block with cylinder body, and the other end of force snesor 14 is connected by contiguous block and floating cylinder sleeve 2.
Claims (2)
1. a kind of active sealing device for friction force measurement system between piston ring-cylinder liner, including cylinder cap（1）, floating cylinder sleeve
（2）, piston（3）And cylinder body（4）, it is characterised in that also including high-pressure conduit（5）, air valve（6）, pressure pan（7）, air compressor
（8）, pressure sensor（9）, IC engine cylinder pressure sensor（10）, close to cylinder cap（1）Cylinder body（4）In machined annular seal space
（12）, in floating cylinder sleeve（2）With cylinder body（4）Between force snesor is installed（14）Surveyed to carry out the frictional force between piston ring-cylinder liner
Amount, high-pressure conduit（5）One end and annular seal space（12）Connection, the other end and air valve（6）Connection；Air valve（6）Installed in pressure pan（7）
On, pressure pan（7）With air compressor（8）It is connected, air compressor（8）For pressure pan（7）Pressure, pressure sensor are provided
（9）One end and annular seal space（12）Connection, measures annular seal space（12）Pressure, the other end and controller（11）It is connected, IC engine cylinder
Pressure sensor（10）One end and combustion chamber（13）Connection, measures combustion chamber（13）Pressure, the other end and controller（11）
It is connected, controller（11）With air valve（6）Connection, controller（11）To pressure sensor（9）With IC engine cylinder pressure sensor
（10）Pressure value contrasted, active control air valve（6）So that annular seal space（12）Reached with in-cylinder pressure value it is synchronous equivalent,
And then realize the realizing active sealing of floating cylinder sleeve.
2. a kind of active sealing device for friction force measurement system between piston ring-cylinder liner according to claim 1, its
It is characterised by force snesor（14）One end is connected by contiguous block with cylinder body, force snesor（14）The other end by contiguous block and
Floating cylinder sleeve（2）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477946.0A CN107091167B (en) | 2017-06-22 | 2017-06-22 | A kind of active sealing device for friction force measurement system between piston ring-cylinder liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477946.0A CN107091167B (en) | 2017-06-22 | 2017-06-22 | A kind of active sealing device for friction force measurement system between piston ring-cylinder liner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107091167A true CN107091167A (en) | 2017-08-25 |
| CN107091167B CN107091167B (en) | 2019-06-18 |
Family
ID=59640734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710477946.0A Expired - Fee Related CN107091167B (en) | 2017-06-22 | 2017-06-22 | A kind of active sealing device for friction force measurement system between piston ring-cylinder liner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091167B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607241A (en) * | 2017-09-06 | 2018-01-19 | 太原理工大学 | A kind of internal combustion engine and the measurement apparatus of cylinder sleeve component frictional force |
| CN107687368A (en) * | 2017-10-16 | 2018-02-13 | 北京理工大学 | A kind of miniature rotor engine apex seal friction loss Forecasting Methodology |
| CN109681339A (en) * | 2019-01-15 | 2019-04-26 | 大连海事大学 | It is a kind of for controlling the device and its application method in single cylinder diesel cylinder sleeve temperature field |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0469461A (en) * | 1990-07-07 | 1992-03-04 | Taiho Kogyo Co Ltd | Cylinder head gasket |
| US20020083913A1 (en) * | 2000-12-28 | 2002-07-04 | Kyoung-Pyo Ha | Liner mounting structure for measuring piston friction |
| CN103698072A (en) * | 2013-12-24 | 2014-04-02 | 潍柴动力股份有限公司 | Friction measuring system and fraction measuring device |
| CN104568275A (en) * | 2015-01-22 | 2015-04-29 | 大连海事大学 | Test device and method for friction force of cylinder sleeve and piston assembly |
| CN105136373A (en) * | 2015-05-14 | 2015-12-09 | 奇瑞汽车股份有限公司 | Device used for measuring frictional force between piston and cylinder sleeve and piston side thrust under fired state |
-
2017
- 2017-06-22 CN CN201710477946.0A patent/CN107091167B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0469461A (en) * | 1990-07-07 | 1992-03-04 | Taiho Kogyo Co Ltd | Cylinder head gasket |
| US20020083913A1 (en) * | 2000-12-28 | 2002-07-04 | Kyoung-Pyo Ha | Liner mounting structure for measuring piston friction |
| CN103698072A (en) * | 2013-12-24 | 2014-04-02 | 潍柴动力股份有限公司 | Friction measuring system and fraction measuring device |
| CN104568275A (en) * | 2015-01-22 | 2015-04-29 | 大连海事大学 | Test device and method for friction force of cylinder sleeve and piston assembly |
| CN105136373A (en) * | 2015-05-14 | 2015-12-09 | 奇瑞汽车股份有限公司 | Device used for measuring frictional force between piston and cylinder sleeve and piston side thrust under fired state |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607241A (en) * | 2017-09-06 | 2018-01-19 | 太原理工大学 | A kind of internal combustion engine and the measurement apparatus of cylinder sleeve component frictional force |
| CN107687368A (en) * | 2017-10-16 | 2018-02-13 | 北京理工大学 | A kind of miniature rotor engine apex seal friction loss Forecasting Methodology |
| CN109681339A (en) * | 2019-01-15 | 2019-04-26 | 大连海事大学 | It is a kind of for controlling the device and its application method in single cylinder diesel cylinder sleeve temperature field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107091167B (en) | 2019-06-18 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200107 Address after: 239500 Anhui city of Chuzhou province Quanjiao County Xiang Town Chuquan Road Patentee after: QUANJIAO POWER MACHINERY Co.,Ltd. Address before: 030024 West Street, Taiyuan, Shanxi, No. 79, No. Patentee before: Taiyuan University of Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 |
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